查询词典 basic bithmuth nitrate

Nitrate concentration was one of the factors affecting the denitrifying phosphorus removal.

5在进水COD浓度为350mg几，温度为25oC，pH为7.0一7.5的条件下，在SBR内进行基质及环境条件对反硝化聚磷的影响特性试验。

By controlling the nitrate concentration in the anoxic stage,the methods and effects of inducing Denitrifying Phosphate Accumulating Organisms were studied.

通过控制缺氧段硝酸盐浓度，研究了反硝化聚磷菌的诱导方法及效果。

To achieve complete denitrifying dephosphatation, the co-existence of exterior carbon source and nitrate should be avoided for the best.

要想获得理想的反硝化除磷效果，应尽可能使外碳源和硝酸盐不在同一时间内共存，否则需调整二者的比例才能获得氮、磷的完全去除。

NO3(superscript -) is deoxidized into NO2(superscript -) by nitrate reductase.

在硝酸还原酶的作用下，硝酸盐被还原为亚硝酸盐。

NO3- is deoxidized into NO2- by nitrate reductase.

在硝酸还原酶的作用下，硝酸盐被还原为亚硝酸盐。

Nitrate could be deoxidized into nitrite by some bacteria.

有害细菌将硝酸盐还原成亚硝酸盐。

KENT PRO-AMMONIA DETOX detoxifies elevated levels of ammonia, nitrite and nitrate in freshwater and marine aquariums.

肯特 PRO-AMMONIA DETOX 减少氨、亚硝酸盐、淡水和海洋供水族箱硝酸盐的水准升高。

H-acid is proposed as a self-coupling diazotizing reagent for the determination of nitrite and nitrate.

本文研究了NO_2~-与 H-酸的重氮盐自偶联反应，提出了一个灵敏的分光光度法，用于测定钢件磷化液中的NO_3，结果满意。

In order to improve nitrogen use efficiency and to reduce environmental pollution from excessive nitrogen application, soil nitrate-N content and accumulation in intercropped legume-maize under 0 and 225kghm^(-2) application were investigated in the Hexi Corridor of Gansu Province.

为提高氮肥利用效率，减少过量施用氮肥对环境造成的污染，本文以甘肃省河西灌区为试验地点，在0和225kghm^(-2)氮水平下，探讨了蚕豆、豌豆、大豆3种豆科作物与玉米间作对土壤硝态氮累积和分布的影响。

Excess nitrate can be leached into surface waters and groundwaters, causing pollution.

过量的硝酸盐渗入地面水和地下水，会造成污染。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。